Home / 103,332.81-142,582.29-60,885.57

Finding the Fourth Proportional to 103,332.81, 142,582.29 and 60,885.57

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Solution

The fourth proportional to 103,332.81, 142,582.29 and 60,885.57 is: 84,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,332.81 : 142,582.29 = 60,885.57 : x
  2. Step 2: Convert to fraction form
    103,332.81/142,582.29 = 60,885.57/x
  3. Step 3: Cross multiply
    103,332.81x = 142,582.29 × 60,885.57
  4. Step 4: Simplify right side
    103,332.81x = 8,681,203,998.56
  5. Step 5: Solve for x
    x = 8,681,203,998.56/103,332.81
  6. Step 6: Final answer
    x = 84,012.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.